------------[ cut here ]------------
WARNING: CPU: 1 PID: 3067 at drivers/media/mc/mc-entity.c:666 media_create_pad_link+0x4de/0x650 drivers/media/mc/mc-entity.c:666
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 3067 Comm: kworker/1:6 Not tainted 5.8.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0xf6/0x16e lib/dump_stack.c:118
 panic+0x2aa/0x6e1 kernel/panic.c:231
 __warn.cold+0x20/0x50 kernel/panic.c:600
 report_bug+0x1bd/0x210 lib/bug.c:198
 exc_invalid_op+0x1e4/0x370 arch/x86/kernel/traps.c:235
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:563
RIP: 0010:media_create_pad_link+0x4de/0x650 drivers/media/mc/mc-entity.c:666
Code: b8 7e 22 fd 44 89 e0 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 a1 7e 22 fd 0f 0b 41 bc ea ff ff ff eb da e8 92 7e 22 fd <0f> 0b 41 bc ea ff ff ff eb cb e8 83 7e 22 fd 0f 0b 41 bc ea ff ff
RSP: 0018:ffff8881c6cc6f88 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff8881ccf99070 RCX: ffffc9000d877000
RDX: 0000000000040000 RSI: ffffffff841cd00e RDI: 0000000000000002
RBP: ffff8881ccf9d870 R08: 0000000000000003 R09: ffff8881d2b7e4bb
R10: 0000000000000000 R11: 0000000000000005 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffff8881ccf9d870
 uvc_mc_create_links drivers/media/usb/uvc/uvc_entity.c:50 [inline]
 uvc_mc_register_entities+0x473/0x78b drivers/media/usb/uvc/uvc_entity.c:114
 uvc_register_chains drivers/media/usb/uvc/uvc_driver.c:2103 [inline]
 uvc_probe.cold+0x189f/0x27c5 drivers/media/usb/uvc/uvc_driver.c:2229
 usb_probe_interface+0x315/0x7f0 drivers/usb/core/driver.c:374
 really_probe+0x291/0xc90 drivers/base/dd.c:525
 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:701
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:807
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431
 __device_attach+0x28d/0x430 drivers/base/dd.c:873
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0xb09/0x1b40 drivers/base/core.c:2680
 usb_set_configuration+0xf05/0x18a0 drivers/usb/core/message.c:2032
 usb_generic_driver_probe+0xba/0xf2 drivers/usb/core/generic.c:241
 usb_probe_device+0xd9/0x250 drivers/usb/core/driver.c:272
 really_probe+0x291/0xc90 drivers/base/dd.c:525
 driver_probe_device+0x26b/0x3d0 drivers/base/dd.c:701
 __device_attach_driver+0x1d1/0x290 drivers/base/dd.c:807
 bus_for_each_drv+0x15f/0x1e0 drivers/base/bus.c:431
 __device_attach+0x28d/0x430 drivers/base/dd.c:873
 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:491
 device_add+0xb09/0x1b40 drivers/base/core.c:2680
 usb_new_device.cold+0x71d/0xfd4 drivers/usb/core/hub.c:2554
 hub_port_connect drivers/usb/core/hub.c:5208 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5348 [inline]
 port_event drivers/usb/core/hub.c:5494 [inline]
 hub_event+0x2361/0x4390 drivers/usb/core/hub.c:5576
 process_one_work+0x94c/0x15f0 kernel/workqueue.c:2269
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415
 kthread+0x392/0x470 kernel/kthread.c:291
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293
Kernel Offset: disabled